跨导管三门更换后新出现的行为障碍:机械评估
Robin Le Ruz1, Tamim Nazif2, Isaac George2
1Nantes Université, CHU Nantes, Interventional Cardiology Department, l'Institut du Thorax, Nantes, France; Nantes Université, CHU Nantes, CNRS, INSERM, l'Institut du Thorax, Nantes, France; Department of Medicine, Columbia University Irving Medical Center, New York, New York, USA.
JACC. Cardiovascular interventions
|October 14, 2025
概括
新发病的导电障碍 (NOCD) 影响44.6%的患者经过过导管三门置换 (TTVR). 较高的基线右心室张力和设备与膜隔膜接触是NOCD的关键风险因素.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 心脏电生理学 心脏电生理学
背景情况:
- 透气管三门置换 (TTVR) 携带新发导扰乱 (NOCD) 的风险,原因是三门与心脏导导系统的距离很近.
- 了解NOCD的发生率和预测因素对于改善TTVR结果至关重要.
研究的目的:
- 为了确定TTVR之后的NOCD的发生率和类型.
- 为了确定与TTVR患者的NOCD相关的潜在风险因素.
主要方法:
- 在一个中心接受TTVR的70名患者的回顾性分析.
- 评估30天NOCD发病率,包括心脏起器植入率.
- 在NOCD和没有NOCD的患者之间比较心声学和计算机断层扫描 (CT) 图像参数.
主要成果:
- NOCD发生在44.3%的患者中,包括各种心脏阻塞和心律失常.
- 较高的基线右心室自由壁纵向应变 (≥29%) 和与膜隔膜接触的装置与NOCD相关.
- 在NOCD患者中,术后白细胞计数的增加也更频繁地观察到.
结论:
- NOCD是TTVR后的常见并发症,在选定的患者群体中几乎有一半发生.
- 基线超动态右心室功能和器件-环相互作用是NOCD的显著预测因素.
- 需要进一步的研究,以减轻TTVR程序中的NOCD风险.
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